50 lines
1,000 B
Go
50 lines
1,000 B
Go
package main
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import (
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"net"
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)
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// SyslogSocket is a struct eventually containing a net.Listener
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// ready with messages, and a Path in case the Listener is not present.
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type SyslogSocket struct {
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Listener net.Listener
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Conn net.PacketConn
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Path string
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isSocketActivated bool
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}
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// Set from command-line
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func (s *SyslogSocket) Set(v string) error {
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err := s.getActivationSocket()
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if err == nil && (s.Conn != nil || s.Listener != nil) {
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s.isSocketActivated = true
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}
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if !s.isSocketActivated {
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s.Path = v
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}
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return nil
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}
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func (s *SyslogSocket) String() string {
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if s.isSocketActivated {
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return "systemd-provided"
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}
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return s.Path
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}
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func (s *SyslogSocket) getActivationSocket() error {
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conns, err := PacketConns()
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if err == nil && len(conns) > 0 && conns[0] != nil {
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s.Conn = conns[0]
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return nil
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}
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listeners, err := Listeners()
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if err != nil {
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return err
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}
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if len(listeners) == 0 {
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return nil
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}
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s.Listener = listeners[0]
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return nil
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}
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